The stainless steel internal assembly offers significantly higher resistance to cavitation and erosion

Engineered as a 110-150F AUTO limit switch

This analog hour meter is built in a compact 48mm x 48mm bezel frame

Corrosion Resistance: Features a protective finish to withstand the high-moisture environments often found in cooling cycles

and water flow monitoring systems

Watts 0590723 Air Vent Valve R-407A The stainless steel internal assemblyThe Watts 0590723 (also known as the FV 4M1 3 4) is a high performance automatic air vent valve engineered for demanding commercial and residential hydronic heating systems. Designed to purge trapped air from hot or cold water distribution lines, this 3 4 inch NPT air vent features a rugged brass body and cover capable of handling system pressures up to 150 psi and operating temperatures reaching 240F. Its high temperature resistant polyethylene float